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Spinozzi S, Albini S, Best H, Richard I. Calpains for dummies: What you need to know about the calpain family. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2021; 1869:140616. [PMID: 33545367 DOI: 10.1016/j.bbapap.2021.140616] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 12/17/2022]
Abstract
This review was written in memory of our late friend, Dr. Hiroyuki Sorimachi, who, following the steps of his mentor Koichi Suzuki, a pioneer in calpain research, has made tremendous contributions to the field. During his career, Hiro also wrote several reviews on calpain, the last of which, published in 2016, was comprehensive. In this manuscript, we decided to put together a review with the basic information a novice may need to know about calpains. We also tried to avoid similarities with previous reviews and reported the most significant new findings, at the same time highlighting Hiro's contributions to the field. The review will cover a short history of calpain discovery, the presentation of the family, the life of calpain from transcription to activity, human diseases caused by calpain mutations and therapeutic perspectives.
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Affiliation(s)
- Simone Spinozzi
- Genethon, 1 bis, Rue de l'Internationale - 91000 Evry, France; Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, 91000, Evry, France
| | - Sonia Albini
- Genethon, 1 bis, Rue de l'Internationale - 91000 Evry, France; Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, 91000, Evry, France
| | - Heather Best
- Genethon, 1 bis, Rue de l'Internationale - 91000 Evry, France; Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, 91000, Evry, France
| | - Isabelle Richard
- Genethon, 1 bis, Rue de l'Internationale - 91000 Evry, France; Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, 91000, Evry, France.
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2
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Hwang SD, Choi KM, Hwang JY, Kwon MG, Jeong JM, Seo JS, Jee BY, Park CI. Molecular genetic characterisation and expression profiling of calpain 3 transcripts in red sea bream (Pagrus major). FISH & SHELLFISH IMMUNOLOGY 2020; 98:19-24. [PMID: 31899359 DOI: 10.1016/j.fsi.2019.12.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/25/2019] [Accepted: 12/28/2019] [Indexed: 06/10/2023]
Abstract
Calpains (CAPNs) belong to the papain superfamily of cysteine proteases, and they are calcium-dependent cytoplasmic cysteine proteases that regulate a variety of physiological processes. We obtained the sequence of CAPN3 from an NGS-based analysis of Pagrus major (PmCAPN3) and confirmed the conserved molecular biological properties in the predicted amino acid sequence. The amino acid sequence and predicted domains of CAPN3 were found to be highly conserved in all of the examined species, and one catalytic domain and four calcium binding sites were identified. In healthy P. major, the PmCAPN3 mRNA was most abundantly expressed in the muscle and skin, and ubiquitously expressed in the other tissues used in the experiment. After artificial infections with fish pathogens, significant changes in its expression levels were found in immune-related tissues, most of showed upregulation. In particular, the highest level of expression was found in the liver, a tissue associated with protease activity. Taken together, these results suggest a physiological activity for PmCAPN3 in P. major and reveal functional possibilities that have not yet been reported in the immune system.
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Affiliation(s)
- Seong Don Hwang
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Kwang-Min Choi
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Jee Youn Hwang
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Mun-Gyeong Kwon
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Ji-Min Jeong
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Jung Soo Seo
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Bo-Yeong Jee
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Chan-Il Park
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea.
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3
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Chang YS, Stromer MH, Chou RGR. Postmortem role of calpain in Chinese and Wuzong goose muscles. Poult Sci 2019; 98:7151-7157. [PMID: 31509192 PMCID: PMC8913968 DOI: 10.3382/ps/pez515] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/30/2019] [Indexed: 12/14/2022] Open
Abstract
The purpose of this study was to compare postmortem proteolysis and tenderization between Chinese and Wuzong goose breast muscles. Four months old Chinese (CG, n = 15) and Wuzong (WZ, n = 15) goose carcasses were vacuum-packaged 10 to 15 min postmortem and stored at 5°C. Breast (Pectoralis major) samples from each carcass were sampled at 0 (∼10 min postmortem), 1, 3, and 7 D of storage. Our results showed that the decrease in pH and calpain-1 activity was not different in CG and WG samples. However, the decrease in calpain-11 activity, desmin content, and shear force were more rapid (P < 0.05) in WZ than in CG samples. Our results indicate that postmortem proteolysis and tenderization of goose breast muscle were more extensive in WZ than in CG goose muscle.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
| | | | - Rong-Ghi R Chou
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
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4
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Postmortem Degradation of Desmin and Dystrophin in Breast Muscles from Capons and Cockerels. ANNALS OF ANIMAL SCIENCE 2019. [DOI: 10.2478/aoas-2019-0034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
In recent years, consumers have increasingly sought niche food products with specific aroma and flavour, and rich in nutrients. With a growing demand for quality poultry products, there is an opportunity to increase production of capons, which are more and more often marketed as high quality products, because their meat is more delicate, tender and juicy. Therefore the objective of this study was to compare meat quality parameters and rate of protein degradation between capon and cockerel breast muscle during postmortem aging. Fibre type diameter, intact desmin and dystrophin contents at 15 min, 24 h, and 48 h postmortem and the following technological parameters of breast meat were also determined: pH15, pH24, pH48, drip loss, shear force. The study was carried out on hybrids between Rhode Island Red cockerels (R-11) and Yellowleg Partridge hens (Ż-33) aged 24 weeks. The current findings indicate that compared with cockerel breast muscles, the capon breast muscles had significantly higher pH15 (P≤0.01), and lower drip loss (P≤0.01) and shear force values (P≤0.05). Additionally, the intensity of intact desmin and dystrophin in capon breast samples at 24 h and 48 h postmortem was significantly lower (P≤0.05) than that in the cockerel breast sample. In turn, the lower rate of desmin and dystrophin degradation (P≤0.05), along with higher drip loss in cockerel compared to capon breast muscles, may account for their lower muscle fibre diameters at 24 h and 48 h postmortem. Moreover, the rate of early postmortem pH decline can partly explain the variation of desmin and dystrophin degradation.
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5
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Huang J, Zhao L, Yang J, Zhang B, Xu X, Chen K, Huang M. The Effect of µ/m-Calpain on Protein Degradation of Chicken Breast Meat. J Food Sci 2019; 84:1054-1059. [PMID: 31042817 DOI: 10.1111/1750-3841.14596] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 01/08/2023]
Abstract
This study was designed to determine the effects of µ/m-calpain on the degradation of cytoskeletal proteins in pectoralis major. Four chickens were slaughtered and the breasts were removed and stored for 12 hr at 4 °C. Each sample was divided into three groups and respectively immersed in control reagent, calpain inhibitor, and caspase inhibitor at 4 °C. The samples were used to evaluate troponin-T and desmin degradation, calpain activity, and myofibril ultrastructure at 12 hr, day 1, day 3, and day 7. Casein zymography revealed that µ-calpain could not be detected in all samples after 12 hr postmortem. The calpain inhibitor inhibited µ/m-calpain activity and reduced troponin-T and desmin degradation during 7 day postmortem. The caspase inhibitor inhibited µ/m-calpain activity and, troponin-T and desmin degradation before day 3 postmortem. The findings suggest that, µ/m-calpain had an effect on cytoskeletal protein degradation after 12 hr postmortem.
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Affiliation(s)
- Jichao Huang
- College of Engineering, Nanjing Agricultural Univ., Nanjing, 210095, China.,Natl. Center of Meat Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Liang Zhao
- Natl. Center of Meat Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Jing Yang
- Natl. Center of Meat Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Baohua Zhang
- College of Engineering, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Xinglian Xu
- Natl. Center of Meat Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Kenjie Chen
- College of Engineering, Nanjing Agricultural Univ., Nanjing, 210095, China
| | - Ming Huang
- Natl. Center of Meat Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural Univ., Nanjing, 210095, China
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6
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Methods of Calpain Inhibition to Determine the Role of Calpains in Embryo Development in Amphibians. Methods Mol Biol 2019. [PMID: 30617809 DOI: 10.1007/978-1-4939-8988-1_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Calpains are a family of calcium-dependent intracellular cysteine proteases that regulate important physiological processes by substrate cleavage. Despite the fact that the role of calpains in cell migration and other processes has been extensively studied in vitro, the same does not apply to cell migration and morphogenetic events during embryogenesis, in vivo. Herein, we describe the use of three different methods to selectively block calpain activity in vivo in order to investigate the impact on Xenopus gastrulation and neurulation, namely, a calpain inhibitor, a dominant negative, and a morpholino antisense oligonucleotide (MO). We also provide methods to determine the effectiveness of the calpain inhibition and effect on cell fate specification and morphogenetic movements, during embryogenesis in vivo.
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7
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Charalambous A, Antoniades I, Christodoulou N, Zanardelli S, Skourides PA. Determining Temporal and Spatial Expression of Calpains in Amphibians. Methods Mol Biol 2019; 1915:67-79. [PMID: 30617796 DOI: 10.1007/978-1-4939-8988-1_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Calpains are a family of calcium-dependent intracellular cysteine proteases that regulate important physiological processes by substrate cleavage. Despite the fact that Calpains have been identified in the Xenopus genome, their expression patterns and role have not been characterized. Therefore, herein, we describe two methods to determine temporal and spatial expression of Calpain 2 during Xenopus development, namely, RT-PCR and whole-mount in situ hybridization (WISH). In addition, indirect immunofluorescence (IF) is described to determine translocation to the plasma membrane, which correlates with activity levels of Calpain 2.
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Affiliation(s)
- Anna Charalambous
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Ioanna Antoniades
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | | | - Sara Zanardelli
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Paris A Skourides
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus.
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8
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Chang YS, Hsu MJ, Chou RGR. Postmortem role of calpain-11 in ostrich skeletal muscle. Meat Sci 2018; 143:147-152. [PMID: 29751221 DOI: 10.1016/j.meatsci.2018.04.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 04/23/2018] [Accepted: 04/23/2018] [Indexed: 10/17/2022]
Abstract
The postmortem calpain-11 role in ostrich muscle was investigated. Pairs of ostrich muscle (Iliotibialis cranialis) were excised from 32 ostrich carcasses in 3-h postmortem and randomly assigned into four treatments. The muscle was cut into 2.5-cm thick meat cores. The cores were incubated in 30 mM CaCl2, 30 mM EDTA, 90 mM NaCl, or control. The cores from the left-side carcasses were sampled after 0, 1, 2, and 3 days of incubation at 5 °C, while the right-side meat cores were taken at 1-day and 3-day incubation for shear force measurements. The results showed that the decrease in unautolyzed and total activities of calpain-11, desmin content and shear force was more rapid in CaCl2-incubated samples than in control, NaCl- and EDTA-incubated samples. Thus, present results suggest that in the absence of calpain-1, calpain-11 with an extensive activation by adding exogenous Ca2+ could enhance the postmortem proteolysis and tenderization of ostrich muscle.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
| | - Man-Jung Hsu
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
| | - Rong-Ghi R Chou
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan.
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9
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Soglia F, Zeng Z, Gao J, Puolanne E, Cavani C, Petracci M, Ertbjerg P. Evolution of proteolytic indicators during storage of broiler wooden breast meat. Poult Sci 2018; 97:1448-1455. [DOI: 10.3382/ps/pex398] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 11/22/2017] [Indexed: 12/23/2022] Open
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10
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Characterization of the Goose CAPN3 Gene and its Expression Pattern in Muscle Tissues of Sichuan White Geese at Different Growth Stages. J Poult Sci 2018; 55:172-181. [PMID: 32055171 PMCID: PMC6756500 DOI: 10.2141/jpsa.0170150] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 12/01/2017] [Indexed: 02/01/2023] Open
Abstract
Calpain 3 (CAPN3), also known as p94, is associated with multiple production traits in domestic animals. However, the molecular characteristics of the CAPN3 gene and its expression profile in goose tissues have not been reported. In this study, CAPN3 cDNA of the Sichuan white goose was cloned, sequenced, and characterized. The CAPN3 full-length cDNA sequence consists of a 2,316-bp coding sequence (CDS) that encodes 771 amino acids with a molecular mass of 89,019 kDa. The protein was predicted to have no signal peptide, but several N-glycosylation, O-glycosylation, and phosphorylation sites. The secondary structure of CAPN3 was predicted to be 38.65% α-helical. Sequence alignment showed that CAPN3 of Sichuan white goose shared more than 90% amino acid sequence similarity with those of Japanese quail, turkey, helmeted guineafowl, duck, pigeon, and chicken. Phylogenetic tree analysis showed that goose CAPN3 has a close genetic relationship and small evolutionary distance with those of the birds. qRT-PCR analysis showed that in 15-day-old animals, the expression level of CAPN3 was significantly higher in breast muscle than in thigh tissues. These results serve as a foundation for further investigations of the function of the goose CAPN3 gene.
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11
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Zhao L, Xing T, Huang J, Qiao Y, Chen Y, Huang M. Involvement of μ/m-calpain in the proteolysis and meat quality changes during postmortem storage of chicken breast muscle. Anim Sci J 2017; 89:423-431. [DOI: 10.1111/asj.12921] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 08/14/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Liang Zhao
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Tong Xing
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Jichao Huang
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Yan Qiao
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Yulian Chen
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Ming Huang
- Nanjing Innovation Center of Meat Products Processing; Jiangsu Collaborative Innovation Center of Meat Production and Processing; Quality and Safety Control, and College of Food Science and Technology; Nanjing Agricultural University; Nanjing China
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12
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Abstract
The skeletal muscle mass is known to be controlled by the balance between protein synthesis and degradation. The fractional rate of protein synthesis has been reported to decrease age-dependently from 1 to 4 weeks of age in the chicken breast muscle (pectoralis major muscle). On the other hand, age-dependent change of the fractional protein degradation rate was reported to be less in the skeletal muscle of chickens. These findings suggest that protein synthesis is age-dependently downregulated in chicken muscle. We herein investigated the age-dependent changes in protein synthesis or proteolysis-related factors in the breast muscle of 7, 14, 28, and 49-day old broiler chickens. IGF-1 mRNA level, phosphorylation rate of Akt, and phospho-S6 content were coordinately decreased in an age-dependent manner, suggesting that IGF-1-stimulated protein synthesis is downregulated with age in chicken breast muscle. In contrast, atrogin-1, one of the proteolysis-related factors, gradually increased with age at mRNA levels. However, plasma Nτ-methylhistidine concentration, an indicator of skeletal muscle proteolysis, did not coordinately change with atrogin-1 mRNA levels. Taken together, our results suggest that the IGF-1/Akt/S6 signaling pathway is age-dependently downregulated in the chicken breast muscle.
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13
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Huang JC, Yang J, Huang F, Huang M, Chen KJ, Xu XL, Zhou GH. Effect of fast pH decline during the early postmortem period on calpain activity and cytoskeletal protein degradation of broiler M. pectoralis major. Poult Sci 2016; 95:2455-63. [PMID: 27433017 DOI: 10.3382/ps/pew206] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2016] [Indexed: 11/20/2022] Open
Abstract
The objective of this study was to determine the effects of fast pH decline during the early postmortem period on calpain activity and the degradation of cytoskeletal proteins in broilers. Eighty broilers were randomly categorized into two groups: physical restraint (PR) and free struggle (FS). M. pectoralis major (PM) was used for determination of calpain activity, shear value, ultrastructure of myofibrils, and the degradation of desmin, titin, nebulin, and troponin-T. The pH (6.05) of FS group is significantly low than PR group (6.38) at 0.3 h postmortem. Fast pH decline during the early postmortem period led to a decrease of μ/m-calpain activities at 0.3 and 3 h postmortem (P < 0.05), but did not affect the ultimate μ/m-calpain activity. An initial fast decrease in pH increased the degradation of desmin, titin, nebulin, and increased the 30 kDa degradation fragments of troponin-T. Therefore, the fast pH decline during the early postmortem period decreased the μ/m-calpain activity and increased the degradation of cytoskeletal proteins in broiler muscle. It is possible that the fast pH decline experienced an earlier activation of calpains that resulted in earlier protein degradation and ultimately lower shear force.
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Affiliation(s)
- J C Huang
- Department of Engineering, Nanjing Agricultural University, Nanjing 210095, China Key Laboratory of Meat Processing and Quality Control, Ministry of Education China, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - J Yang
- Key Laboratory of Meat Processing and Quality Control, Ministry of Education China, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - F Huang
- Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China
| | - M Huang
- Key Laboratory of Meat Processing and Quality Control, Ministry of Education China, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - K J Chen
- Department of Engineering, Nanjing Agricultural University, Nanjing 210095, China
| | - X L Xu
- Key Laboratory of Meat Processing and Quality Control, Ministry of Education China, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - G H Zhou
- Key Laboratory of Meat Processing and Quality Control, Ministry of Education China, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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14
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Zhao L, Jiang N, Li M, Huang M, Zhou G. Partial autolysis of μ/m-calpain during post mortem aging of chicken muscle. Anim Sci J 2016; 87:1528-1535. [DOI: 10.1111/asj.12602] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2015] [Revised: 11/18/2015] [Accepted: 12/08/2015] [Indexed: 02/06/2023]
Affiliation(s)
- Liang Zhao
- Nanjing Innovation Center of Meat Products Processing, Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural University; Nanjing China
| | - Nanqi Jiang
- Nanjing Innovation Center of Meat Products Processing, Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural University; Nanjing China
| | - Miaozhen Li
- Nanjing Innovation Center of Meat Products Processing, Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural University; Nanjing China
| | - Ming Huang
- Nanjing Innovation Center of Meat Products Processing, Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural University; Nanjing China
| | - Guanghong Zhou
- Nanjing Innovation Center of Meat Products Processing, Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural University; Nanjing China
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15
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Chang YS, Hsu DH, Stromer MH, Chou RGR. Postmortem calpain changes in ostrich skeletal muscle. Meat Sci 2016; 117:117-21. [PMID: 26971307 DOI: 10.1016/j.meatsci.2016.03.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/01/2016] [Accepted: 03/03/2016] [Indexed: 11/25/2022]
Abstract
The objective of this study was to study the postmortem calpain change in ostrich muscle. Iliotibialis cranialis and Obturatorius medialis muscles were removed from the both sides of carcasses (n=8). The muscles from the left side were sampled after 0, 1, 2, 3, and 7days of storage at 5°C, while the right-side muscles were taken at 1-, 3-, and 7-day postmortem for shear force measurements. The results showed that the calpain-1 activity was not detected in ostrich muscle during the entire 7-day postmortem storage period, while the calpain-11 was. The unautolyzed calpain-11 activity decreased and the autolyzed calpain-11 activity increased with time postmortem. Desmin content and shear force did not change during postmortem storage although a minor degradation of desmin was observed. Therefore, our results suggest that limited postmortem proteolysis (as suggested by the limited degradation of desmin) and tenderization might be due to the lack of calpain-1 and/or insufficient calpain-11 activity present in ostrich muscle.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
| | - Dun-Hui Hsu
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
| | - Mavin H Stromer
- Department of Animal Science, Iowa State University, Ames, IA, USA
| | - Rong-Ghi R Chou
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan.
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16
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An eccentric calpain, CAPN3/p94/calpain-3. Biochimie 2016; 122:169-87. [DOI: 10.1016/j.biochi.2015.09.010] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 09/07/2015] [Indexed: 01/09/2023]
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17
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Geldenhuys G, Muller N, Frylinck L, Hoffman LC. Post mortem rigor development in the Egyptian goose (Alopochen aegyptiacus) breast muscle (pectoralis): factors which may affect the tenderness. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96:271-279. [PMID: 25641020 DOI: 10.1002/jsfa.7090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 01/08/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND Baseline research on the toughness of Egyptian goose meat is required. This study therefore investigates the post mortem pH and temperature decline (15 min-4 h 15 min post mortem) in the pectoralis muscle (breast portion) of this gamebird species. It also explores the enzyme activity of the Ca(2+)-dependent protease (calpain system) and the lysosomal cathepsins during the rigor mortis period. RESULTS No differences were found for any of the variables between genders. The pH decline in the pectoralis muscle occurs quite rapidly (c = -0.806; ultimate pH ∼ 5.86) compared with other species and it is speculated that the high rigor temperature (>20 °C) may contribute to the increased toughness. No calpain I was found in Egyptian goose meat and the µ/m-calpain activity remained constant during the rigor period, while a decrease in calpastatin activity was observed. The cathepsin B, B & L and H activity increased over the rigor period. CONCLUSION Further research into the connective tissue content and myofibrillar breakdown during aging is required in order to know if the proteolytic enzymes do in actual fact contribute to tenderisation.
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Affiliation(s)
- Greta Geldenhuys
- Department of Animal Sciences, Stellenbosch University, Private Bag X1, Matieland, (Stellenbosch) 7602, South Africa
- Department of Food Science, Stellenbosch University, Private Bag X1, Matieland, (Stellenbosch) 7602, South Africa
| | - Nina Muller
- Department of Food Science, Stellenbosch University, Private Bag X1, Matieland, (Stellenbosch) 7602, South Africa
| | - Lorinda Frylinck
- Animal Production Institute, Agricultural Research Council of South Africa (ARC-API), Private Bag X2, Irene 0062, South Africa
| | - Louwrens C Hoffman
- Department of Animal Sciences, Stellenbosch University, Private Bag X1, Matieland, (Stellenbosch) 7602, South Africa
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Liao CC, Chou RGR. Comparison of postmortem proteolysis between Pekin and Muscovy duck breast muscles. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2014; 94:2846-2849. [PMID: 24114501 DOI: 10.1002/jsfa.6416] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2013] [Revised: 06/16/2013] [Accepted: 09/12/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Duck muscle is a popular source of red meat in Asia. However, information regarding the postmortem proteolysis of skeletal muscle between duck species is very limited. Therefore, the purpose of this study was to compare the postmortem calpain and desmin degradations between Pekin (PD) and Muscovy (MD) duck breast muscles stored at 5°C. RESULTS The pH and μ/m-calpain activity were not different (P > 0.05) between PD and MD postmortem muscles. However, μ-calpain activity and desmin content decreased more rapidly (P < 0.05) in PD than in MD samples. CONCLUSION Therefore, our results suggest that the postmortem proteolysis is more rapid and extensive in breast muscle from PD compared to MD.
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Affiliation(s)
- Chien-Chang Liao
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
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19
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Chang YS, Stromer MH, Chou RGR. μ-Calpain is involved in the postmortem proteolysis of gizzard smooth muscle. Food Chem 2013; 139:384-8. [PMID: 23561121 DOI: 10.1016/j.foodchem.2013.01.075] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Revised: 01/09/2013] [Accepted: 01/28/2013] [Indexed: 10/27/2022]
Abstract
Postmortem changes in proteins that have been implicated in affecting muscle integrity were examined in goose (GG) and duck (DG) gizzard smooth muscle stored at 5°C. GG and DG smooth muscles were sampled at 0, 1, 3 and 7 day of storage. The pH was approximately 7 in both GG and DG samples during postmortem storage. Casein zymograms showed that 0-day μ-calpain activity was higher (p<0.05) in GG than in DG samples. As postmortem time progressed, μ-calpain was activated and autolyzed more extensively in GG than in DG samples. However, μ/m-calpain remained relatively stable in both samples. Western blots indicated that postmortem desmin degradation was more rapid in GG than in DG samples. In contrast, α-actinin remained nearly unchanged in both samples. Therefore, our results suggest that μ-calpain has an important role in the postmortem proteolysis of gizzard smooth muscle.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
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20
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Wang S, Li C, Xu X, Zhou G. Effect of fasting on energy metabolism and tenderizing enzymes in chicken breast muscle early postmortem. Meat Sci 2012; 93:865-72. [PMID: 23313973 DOI: 10.1016/j.meatsci.2012.11.053] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 11/28/2012] [Accepted: 11/30/2012] [Indexed: 11/28/2022]
Abstract
Pre-slaughter fasting is a very important practice in the meat industry. The present study was designed to investigate the effect of fasting on energy metabolism and tenderizing enzymes in chicken muscle early postmortem. A total of 30 Yellow-feathered chickens were deprived of feed for 0 h, 12 h and 24 h before slaughter (n=10 each group). Breast muscles were removed and cut into 3 parts and stored at 0°C for 0 h, 3 h and 10 h. Samples were used for analyses of zymography, cathepsins, pH, glycogen/ATP/ADP/AMP, hormones and ultrastructure. Fasting caused the accelerated depletion (p<0.05) of glycogen, ATP and ADP before or immediately after slaughter, but no difference existed in ATP at 3 and 10 h (p>0.05). Fasting resulted in greater ultimate pH (p<0.05). Zymography indicated that fasting delayed the activation of μ/m-calpain (p<0.05), however, it accelerated the release of lysosomal enzymes (p<0.05). Fasting for 24 h resulted in greater ultrastructural changes and plasma corticosterone levels than fasting for 12 h and control groups. Therefore, fasting for no more than 12 h is acceptable in practice.
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Affiliation(s)
- Sidang Wang
- Key Laboratory of Meat Processing and Quality Control, MOE, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, PR China
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Chang YS, Chou RGR. Postmortem role of calpains in Pekin duck skeletal muscles. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2012; 92:1620-1626. [PMID: 22161503 DOI: 10.1002/jsfa.4747] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2010] [Revised: 09/18/2011] [Accepted: 10/14/2011] [Indexed: 05/31/2023]
Abstract
BACKGROUND It is generally agreed that calpains are involved in postmortem proteolysis of skeletal muscle and improve meat tenderness. However, little information regarding the postmortem role of calpains in duck skeletal muscle is known. Therefore, the purpose of this study was to examine the role of calpains in Pekin duck postmortem breast muscles (BM) and leg and thigh muscles (LM) muscles at 5 °C. RESULTS The postmortem pH was lower (P < 0.05) in BM than in LM. Western blots indicated that postmortem desmin degradation and the 30/32 kDa troponin-T degradation product accumulation were more rapid in BM than in LM. Casein zymograms showed that at-death µ-calpain activity was higher in BM than in LM. As time post mortem increased, µ-calpain was activated and autolyzed more rapidly and extensively in BM than in LM, but µ/m-calpain was activated at a relative slower rate compared with µ-calpain. Correlation results showed that µ-calpain activity, rather than µ/m-calpain activity, in BM samples was highly correlated with the abundance of desmin and the 30/32 kDa troponin-T degradation components across the postmortem period. However, no such correlations were found with LM µ- and µ/m-calpains. CONCLUSION Therefore, our results suggest that BM µ-calpain with a faster and more extensive activation and autolysis would play a relatively dominant role in dictating degradation of desmin and troponin-T in postmortem duck muscle.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, 60083 Taiwan
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22
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Zhang ZR, Zhu Q, Yao YG, Jiang XS, Du HR, Liu YP. Characterization of the expression profile of calpain-3 (CAPN3) gene in chicken. Mol Biol Rep 2011; 39:3517-21. [PMID: 21713405 DOI: 10.1007/s11033-011-1124-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2010] [Accepted: 06/20/2011] [Indexed: 11/25/2022]
Abstract
Calpain-3 is a skeletal muscle-specific protease and participates in the regulation of myogenesis. In this study, we quantified the expression of calpain-3 (CAPN3) mRNA in a Chinese local chicken breed (Sichuan Mountainous Black-boned chicken [MB]), to discern the tissue and ontogenic expression pattern. Meanwhile, we compared the CAPN3 mRNA expression pattern in MB chicken at 10 weeks with a commercial meat type chicken line (S01) of the same age to identify the unique expression pattern under different genetic background. A real time quantitative PCR (qRT-PCR) assay was developed for an accurate measurement of its expression in various tissues from chickens at different ages (0, 2, 4, 6, 8, 10, and 12 weeks). Expression of the CAPN3 mRNA was detected in the selected tissues, regardless of age. The breast muscle and leg muscle tissues had a significantly higher expression than the other tissues from the same individual (P < 0.01). Overall, the CAPN3 mRNA level exhibited a "rise-decline" developmental change in detected tissues except for brain. The S01 chicken had a higher expression of the CAPN3 mRNA in detected tissues than the MB chicken at 10 weeks. The present expression data of chicken CAPN3 gene may provide some information to shed light on the tissue and ontogenic expression pattern during chicken development.
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Affiliation(s)
- Zeng-Rong Zhang
- College of Animal Science and Technology, Sichuan Agricultural University, 46# Xinkang Road, Ya'an, Sichuan, 625014, China
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Sorimachi H, Hata S, Ono Y. Calpain chronicle--an enzyme family under multidisciplinary characterization. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2011; 87:287-327. [PMID: 21670566 PMCID: PMC3153876 DOI: 10.2183/pjab.87.287] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Accepted: 03/04/2011] [Indexed: 05/29/2023]
Abstract
Calpain is an intracellular Ca2+-dependent cysteine protease (EC 3.4.22.17; Clan CA, family C02) discovered in 1964. It was also called CANP (Ca2+-activated neutral protease) as well as CASF, CDP, KAF, etc. until 1990. Calpains are found in almost all eukaryotes and a few bacteria, but not in archaebacteria. Calpains have a limited proteolytic activity, and function to transform or modulate their substrates' structures and activities; they are therefore called, "modulator proteases." In the human genome, 15 genes--CAPN1, CAPN2, etc.--encode a calpain-like protease domain. Their products are calpain homologs with divergent structures and various combinations of functional domains, including Ca2+-binding and microtubule-interaction domains. Genetic studies have linked calpain deficiencies to a variety of defects in many different organisms, including lethality, muscular dystrophies, gastropathy, and diabetes. This review of the study of calpains focuses especially on recent findings about their structure-function relationships. These discoveries have been greatly aided by the development of 3D structural studies and genetic models.
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Affiliation(s)
- Hiroyuki Sorimachi
- Calpain Project, Department of Advanced Science for Biomolecules, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.
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24
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Chang YS, Chou RGR. Postmortem degradation of desmin and calpain in breast and leg and thigh muscles from Taiwan black-feathered country chickens. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2010; 90:2664-2668. [PMID: 20737544 DOI: 10.1002/jsfa.4137] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Several studies have reported that the postmortem changes are more rapid in breast muscles (BM) than in leg and thigh muscles (LM) of chickens. However, the reasons for the differences in postmortem proteolysis of BM and LM are still uncertain. The purpose of this study was therefore to compare the postmortem degradation of desmin and calpains in BM and LM from Taiwan black-feathered country chickens at 5 °C. RESULTS The pH was lower (P < 0.05) in BM than in LM. Western blot indicated that postmortem desmin degradation was more rapid in BM than in LM. Casein zymograms showed that at-death µ-calpain activity was higher in BM than in LM. As postmortem time proceeded, µ-calpain was activated and autolyzed more extensively in BM than in LM. However, the µ/m-calpain activity remained stable during postmortem storage in both BM and LM. CONCLUSION Our results suggest that the more rapid postmortem proteolysis found in BM than in LM at 5 °C similar with the previous study could be mainly explained by both greater amounts and faster activation and autolysis of µ-calpain in BM.
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Affiliation(s)
- Ya-Shiou Chang
- Department of Animal Science, National Chiayi University, Chiayi City, Taiwan
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25
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Macqueen DJ, Delbridge ML, Manthri S, Johnston IA. A Newly Classified Vertebrate Calpain Protease, Directly Ancestral to CAPN1 and 2, Episodically Evolved a Restricted Physiological Function in Placental Mammals. Mol Biol Evol 2010; 27:1886-902. [DOI: 10.1093/molbev/msq071] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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26
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Macqueen DJ, Meischke L, Manthri S, Anwar A, Solberg C, Johnston IA. Characterisation of capn1, capn2-like, capn3 and capn11 genes in Atlantic halibut (Hippoglossus hippoglossus L.): Transcriptional regulation across tissues and in skeletal muscle at distinct nutritional states. Gene 2010; 453:45-58. [PMID: 20093171 DOI: 10.1016/j.gene.2010.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2009] [Revised: 01/06/2010] [Accepted: 01/06/2010] [Indexed: 01/15/2023]
Abstract
The typical calpain proteases are a subset of a wider superfamily and regulate a broad spectrum of physiological processes. Here we characterised Atlantic halibut complete-coding orthologues of calpain-1, calpain-2-like, "muscle-specific" calpain-3, plus calpain-11, a recently recognised vertebrate-wide family member. Phylogenetic analysis established the relationship of each sequence within a comprehensive framework of vertebrate calpains, including teleost paralogues. This approach provided significant insight into the evolution of teleost calpains. For example, teleost sequences considered calpain-2 orthologues formed a monophyletic clade external to sister clades for tetrapod calpain-2 and vertebrate calpain-8. Thus, teleost "calpain-2" is likely not directly orthologous to tetrapod calpain-2 and represents a calpain-2-like protein. The characteristic domain structure of typical calpains was observed in each halibut sequence, although calpain-3, as for other teleosts, retained only one (IS2) of three further domains found in human calpain-3 (NS, IS1 and IS2). Transcripts for capn1, capn2-like and capn11 were widely detected across eleven halibut tissues, whereas capn3 was detected in striated muscles, spleen and ovary, but absent or relatively less abundant in other tissues. We assessed the transcript expression of each calpain gene in fast-twitch skeletal muscle where nutritional state was altered with 60days feed restriction, followed by 60days satiation refeeding. Measured by quantitative real-time PCR, capn1 transcript levels were highest during maximal fasting and then steadily decreased with refeeding, where muscle was in net positive protein balance. Conversely capn2-like showed little response, whereas capn3 and capn11 transcript levels were lowest at maximal fasting before being strongly constitutively upregulated with subsequent refeeding. Halibut capn3 transcript abundance was on average 6.5, 23.7 and 5.9 fold greater than capn1, capn2-like and capn11 respectively in skeletal muscle across nutritional states. In turn, transcript levels of capn1 and capn11 were invariably higher than capn2-like, but were dependent on nutritional state compared to each other. The differential regulation of these genes in response to nutritional status suggests distinct roles for typical calpain family members in regulating the balance between catabolism and growth in teleost skeletal muscle.
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27
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Lee H, Santé-Lhoutellier V, Vigouroux S, Briand Y, Briand M. Role of Calpains in Postmortem Proteolysis in Chicken Muscle. Poult Sci 2008; 87:2126-32. [DOI: 10.3382/ps.2007-00296] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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28
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Wu HY, Lynch DR. Calpain and synaptic function. Mol Neurobiol 2007; 33:215-36. [PMID: 16954597 DOI: 10.1385/mn:33:3:215] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2005] [Revised: 11/30/1999] [Accepted: 02/20/2006] [Indexed: 01/13/2023]
Abstract
Proteolysis by calpain is a unique posttranslational modification that can change integrity, localization, and activity of endogenous proteins. Two ubiquitous calpains, mu-calpain and m-calpain, are highly expressed in the central nervous system, and calpain substrates such as membrane receptors, postsynaptic density proteins, kinases, and phosphatases are localized to the synaptic compartments of neurons. By selective cleavage of synaptically localized molecules, calpains may play pivotal roles in the regulation of synaptic processes not only in physiological states but also during various pathological conditions. Activation of calpains during sustained synaptic activity is crucial for Ca2+-dependent neuronal functions, such as neurotransmitter release, synaptic plasticity, vesicular trafficking, and structural stabilization. Overactivation of calpain following dysregulation of Ca2+ homeostasis can lead to neuronal damage in response to events such as epilepsy, stroke, and brain trauma. Calpain may also provide a neuroprotective effect from axotomy and some forms of glutamate receptor overactivation. This article focuses on recent findings on the role of calpain-mediated proteolytic processes in potentially regulating synaptic substrates in physiological and pathophysiological events in the nervous system.
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Affiliation(s)
- Hai-Yan Wu
- Department of Pediatrics, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, PA, USA
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29
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Lee HL, Santé-Lhoutellier V, Vigouroux S, Briand Y, Briand M. Calpain specificity and expression in Chicken tissues. Comp Biochem Physiol B Biochem Mol Biol 2007; 146:88-93. [PMID: 17098456 DOI: 10.1016/j.cbpb.2006.09.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2006] [Revised: 09/13/2006] [Accepted: 09/21/2006] [Indexed: 12/15/2022]
Abstract
We have compared ubiquitous calpains in chicken (Gallus gallus), turkey (Meleagris gallopavo) and mammals. In chicken, we studied their distribution in different tissues. The calpain activity was determined by casein zymography, a technique avoiding any prior sample purification, thus limiting any autolysis and denaturation reactions. Our results show that two ubiquitous calpains are present in chicken: (1) a mu-calpain having a greater calcium sensitivity and a lower electrophoretic mobility than the mammalian one, (2) a mu/m-calpain, named like this by Sorimachi et al. [Sorimachi, H., Tsukahara, T., Okada-Ban, M., Sugita, H., Ishiura, S., Suzuki, K., 1995. Identification of a third ubiquitous calpain species-chicken muscle expresses four distinct calpains. Biochim. Biophys. Acta, 1261, 381-93.], having a calcium sensitivity intermediate between that of the two mammalian mu-calpain and the m-calpain. Tissue distribution of the two chicken isozymes vary and mu/m-calpain predominates, whereas mu-calpain levels are very low in some tissues, unlike in mammalian tissues. The characteristics of mu/m-calpain and its preponderance in all organs suggest that it may play a different role in chicken than in mammals.
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Affiliation(s)
- Hsiao Lin Lee
- Laboratoire de Génie Chimique et Biochimique, Unité Biochimie - CUST - Université Blaise Pascal, 63174 Aubière, France
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Ashizawa K, Wishart GJ, Katayama S, Takano D, Maeda M, Arakawa E, Tsuzuki Y. Effects of calpain and Rho-kinase inhibitors on the acrosome reaction and motility of fowl spermatozoa in vitro. Reproduction 2006; 131:71-9. [PMID: 16388011 DOI: 10.1530/rep.1.00588] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
At the avian body temperature of 40 degrees C, intact fowl spermatozoa require Ca(2+) for the initiation of motility and a combination of both Ca(2+) and homogenized inner perivitelline layer (IPVL) together to induce the acrosome reaction. Within the range of 1-100 micromol/l, neither PD 150606 (a Ca(2+)-dependent calpain inhibitor) nor Y-27632 (an inhibitor of Ca(2+)-dependent Rho-kinase) were able to inhibit the acrosome reaction induced by the presence of Ca(2+) and IPVL. However, PD 150606, although not Y-27632, was able to inhibit sperm motility initiated by Ca(2+), as well as motility initiated by calyculin A -- a specific inhibitor of protein phosphatases, which also initiates sperm motility at 40 degrees C. The addition of PD 150606 did not reduce the ATP concentrations of intact spermatozoa, nor the motility of demembranated spermatozoa. Immunoblot analysis of sperm extract using a polyclonal antibody against calpain 12 revealed a cross-reacting protein of approximately 80 kDa. These results suggest that Rho-kinase is not involved in the regulation of the acrosome reaction or of motility in fowl spermatozoa. In contrast, calpain appears to be involved in the regulation of flagellar movement, but not izn that of the acrosome reaction. Furthermore, it seems that endogenous calpain is present in the cytoplasmic matrix and/or the plasma membrane, but not retained in the axoneme and/or accessory cytoskeletal components.
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Affiliation(s)
- K Ashizawa
- Laboratory of Animal Reproduction, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan.
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31
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Marcilhac A, Raynaud F, Clerc I, Benyamin Y. Detection and localization of calpain 3-like protease in a neuronal cell line: Possible regulation of apoptotic cell death through degradation of nuclear IκBα. Int J Biochem Cell Biol 2006; 38:2128-40. [PMID: 16938483 DOI: 10.1016/j.biocel.2006.06.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2006] [Revised: 06/06/2006] [Accepted: 06/09/2006] [Indexed: 02/02/2023]
Abstract
Calpains are a family of calcium-dependent cysteine proteases involved in major cellular processes including cell death. Their intracellular localization is essential to the understanding of their biological functions. In a previous confocal microscopy study, we observed the presence of a calpain 3-like protein in the mammalian brain. We thus first identified and confirmed the presence of a calpain 3-like protease in a neuronal cell model (NGF-differentiated PC12 cells). The goal of this study was to determine, for the first time in non-muscular cells, the relation between the subcellular localization, activation and function of this protease. We thus investigated its ability to regulate nuclear IkappaBalpha and therefore NF-kappaB activation after cell death stimulation. The IkappaBalpha/NF-kappaB signalling pathway indeed influences the neurodegenerative process by directly affecting gene expression in neurons. In the present study, we found that calpain 3 is present in the cytoplasm and nucleus of neuron-like PC12 cells and could be activated through autolysis in the nuclei of cells undergoing apoptosis after ionomycin treatment. Moreover, in these conditions, we demonstrated formation of the IkappaBalpha/calpain 3 complex and an increase in calpain-dependent IkappaBalpha cleavage products in cell nuclei. Stimulation of calpain-dependent cell death in neuron activated nuclear calpain 3-like protease and IkappaBalpha proteolysis resulted in the regulation of NF-kappaB activation. These data suggest a new mechanism by which calpain 3 activation is able to regulate the IkappaBalpha/NF-kappaB pathway and thus neurodegenerative processes.
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Affiliation(s)
- A Marcilhac
- EPHE-UMR 5539, University of Montpellier II, CC107, Place Eugene Bataillon, 34000 Montpellier, France.
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Ben-Aharon I, Haim K, Shalgi R, Ben-Yosef D. Expression and possible involvement of calpain isoforms in mammalian egg activation. Reproduction 2005; 130:165-75. [PMID: 16049154 DOI: 10.1530/rep.1.00602] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
At fertilization in mammals, the spermatozoon triggers a unique signal transduction mechanism within the egg, leading to its activation. It is well accepted that the earliest event observed in all activated eggs is an abrupt rise in intracellular calcium concentrations. However, little is known regarding the downstream proteins that are activated by this rise in calcium. Calpains constitute a family of intracellular calcium-dependent cysteine proteases whose members are expressed widely in a variety of cells. We investigated the expression and possible role of the calpain isoforms mu and m throughout egg activation. Both calpains were expressed in the rat egg and localized at the egg cortex as well as in the meiotic spindle. m Calpain translocated to the membrane and to the spindle area during parthenogenetic egg activation and during in vivo fertilization, upon sperm binding to the egg. The cytoskeletal protein alpha-spectrin (fodrin) was proteolysed by calpain during the egg-activation process, as demonstrated by specific calpain-breakdown products. Following parthenogenetic activation by ionomycin or puromycin, the calpain-selective permeable inhibitor, calpeptin, inhibited the resumption of meiosis and cortical reaction in a dose-dependent manner. Calpeptin was also effective in inhibiting in vitro fertilization. These results may imply a correlation between calpain activation and mammalian egg activation at fertilization and a possible role for calpain in the cascade of cellular events leading to resumption of meiosis.
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Affiliation(s)
- Irit Ben-Aharon
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
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Ben-Aharon I, Ben-Yosef D, Amit A, Shalgi R. Expression and immunolocalization of the calpain-calpastatin system in the human oocyte. Fertil Steril 2005; 83:1807-13. [PMID: 15950654 DOI: 10.1016/j.fertnstert.2004.12.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2004] [Revised: 12/09/2004] [Accepted: 12/09/2004] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To investigate the expression of the calpain-calpastatin system in the human oocyte. DESIGN The expression of the calpain-calpastatin system was determined by immunohistochemistry and immunoblot analysis. SETTING Academic research laboratory. PATIENT(S) Twenty Israeli women who underwent IVF for fertility problems. INTERVENTION(S) Oocytes that had no pronuclei 24 hours after insemination by either conventional IVF or intracytoplasmic sperm injection were retrieved for the study. MAIN OUTCOME MEASURE(S) Analysis of calpain isoforms (m, mu) and calpastatin distribution within the human oocyte. RESULT(S) Western blot analysis confirmed the expression of calpain and calpastatin. Immunohistochemistry of fixed, permeabilized oocytes exhibited localization of both calpains to the cortical region of the oocyte, as well as the cytosol. Calpastatin seemed to be distributed throughout the cytosol, with a marked accumulation in the cell membrane. We have demonstrated a negative correlation between the occurrence of cortical granule exocytosis and the stability of the metaphase plate. CONCLUSION(S) A complete calpain-calpastatin system is expressed in the human oocyte and might play a role in the various calcium-mediated processes occurring during activation of human oocytes.
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Affiliation(s)
- Irit Ben-Aharon
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
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Kawabata Y, Hata S, Ono Y, Ito Y, Suzuki K, Abe K, Sorimachi H. Newly identified exons encoding novel variants of p94/calpain 3 are expressed ubiquitously and overlap the alpha-glucosidase C gene. FEBS Lett 2004; 555:623-30. [PMID: 14675785 DOI: 10.1016/s0014-5793(03)01324-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
There are two classes of an intracellular 'modulator protease', calpain: ubiquitous and tissue-specific. p94/calpain 3 is an example of the latter, predominantly expressed in muscle. A defect in the p94 gene causes muscular dystrophy. Here we report that human and mouse p94 genes have a possible novel alternative promoter expressing p94 variants in all tissues examined including human lens epithelial cells. The possible promoter region and the following novel exons overlap the 3' region of the neutral alpha-glucosidase C gene. Unlike p94, the novel p94 variants expressed in COS7 cells do not undergo rapid autolysis, suggesting basic functions different from p94.
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Affiliation(s)
- Yukiko Kawabata
- Laboratory of Biological Function, Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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35
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Abstract
The calpain system originally comprised three molecules: two Ca2+-dependent proteases, mu-calpain and m-calpain, and a third polypeptide, calpastatin, whose only known function is to inhibit the two calpains. Both mu- and m-calpain are heterodimers containing an identical 28-kDa subunit and an 80-kDa subunit that shares 55-65% sequence homology between the two proteases. The crystallographic structure of m-calpain reveals six "domains" in the 80-kDa subunit: 1). a 19-amino acid NH2-terminal sequence; 2). and 3). two domains that constitute the active site, IIa and IIb; 4). domain III; 5). an 18-amino acid extended sequence linking domain III to domain IV; and 6). domain IV, which resembles the penta EF-hand family of polypeptides. The single calpastatin gene can produce eight or more calpastatin polypeptides ranging from 17 to 85 kDa by use of different promoters and alternative splicing events. The physiological significance of these different calpastatins is unclear, although all bind to three different places on the calpain molecule; binding to at least two of the sites is Ca2+ dependent. Since 1989, cDNA cloning has identified 12 additional mRNAs in mammals that encode polypeptides homologous to domains IIa and IIb of the 80-kDa subunit of mu- and m-calpain, and calpain-like mRNAs have been identified in other organisms. The molecules encoded by these mRNAs have not been isolated, so little is known about their properties. How calpain activity is regulated in cells is still unclear, but the calpains ostensibly participate in a variety of cellular processes including remodeling of cytoskeletal/membrane attachments, different signal transduction pathways, and apoptosis. Deregulated calpain activity following loss of Ca2+ homeostasis results in tissue damage in response to events such as myocardial infarcts, stroke, and brain trauma.
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Affiliation(s)
- Darrell E Goll
- Muscle Biology Group, University of Arizona, Tucson, AZ 85721, USA.
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36
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Clark KA, McElhinny AS, Beckerle MC, Gregorio CC. Striated muscle cytoarchitecture: an intricate web of form and function. Annu Rev Cell Dev Biol 2003; 18:637-706. [PMID: 12142273 DOI: 10.1146/annurev.cellbio.18.012502.105840] [Citation(s) in RCA: 472] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Striated muscle is an intricate, efficient, and precise machine that contains complex interconnected cytoskeletal networks critical for its contractile activity. The individual units of the sarcomere, the basic contractile unit of myofibrils, include the thin, thick, titin, and nebulin filaments. These filament systems have been investigated intensely for some time, but the details of their functions, as well as how they are connected to other cytoskeletal elements, are just beginning to be elucidated. These investigations have advanced significantly in recent years through the identification of novel sarcomeric and sarcomeric-associated proteins and their subsequent functional analyses in model systems. Mutations in these cytoskeletal components account for a large percentage of human myopathies, and thus insight into the normal functions of these proteins has provided a much needed mechanistic understanding of these disorders. In this review, we highlight the components of striated muscle cytoarchitecture with respect to their interactions, dynamics, links to signaling pathways, and functions. The exciting conclusion is that the striated muscle cytoskeleton, an exquisitely tuned, dynamic molecular machine, is capable of responding to subtle changes in cellular physiology.
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Affiliation(s)
- Kathleen A Clark
- Department of Cell Biology, University of Arizona, Tucson 85724, USA
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37
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Mozdziak PE, Dibner JJ, McCoy DW. The effect of early posthatch starvation on calpain mRNA levels. Comp Biochem Physiol B Biochem Mol Biol 2002; 133:221-6. [PMID: 12381384 DOI: 10.1016/s1096-4959(02)00131-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The calpain system is a family of calcium activated proteases that degrade myofibrillar protein. Male broiler chickens (Ross) were provided a standard starter diet top-dressed with Oasis((R)) nutritional supplement (fed; Novus International, St. Louis, MO, USA), or they were not provided any feed (starved) for the first 3 days posthatch. Subsequently, the standard starter diet was provided to all chickens between 3 and 7 days posthatch. RNA was extracted from the Pectoralis thoracicus, and skeletal muscle-specific n-calpain-1 (p94) calpain, mu-calpain, and m-calpain expression was evaluated using quantitative Northern analysis. Early posthatch starvation did not (P>0.05) affect calpain mRNA levels on each day examined. Similarly, there were no (P>0.05) changes in mu-calpain or m-calpain mRNA levels between 0 and 7 days posthatch in fed birds. However, p94 calpain mRNA levels were significantly (P<0.05) lower at 7 days posthatch compared to 0 or 2 days posthatch. Therefore, in the early posthatch chicken, it appears that the calpain system may not be affected by the presence of oral nutrition, and that there is an age-related downregulation of p94 calpain mRNA expression.
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Affiliation(s)
- P E Mozdziak
- Department of Poultry Science, North Carolina State University, Raleigh, NC 27695, USA.
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38
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Abstract
The calpain system is involved in a number of human pathologies ranging from the muscular dystrophies to Alzheimer's disease. It is important, therefore, to be able to obtain and to characterize both mu-calpain and m-calpain from human tissue. Although human mu-calpain can be conveniently obtained from either erythrocytes or platelets, no readily available source of human m-calpain has been described. Human placenta extracts contain both mu-calpain and m-calpain in nearly equal proportions and in significant quantities (3-4 mg mu-calpain and 4-5 mg m-calpain/1000 g placenta tissue). Placenta also contains calpastatin that elutes off ion-exchange columns over a wide range of KCl concentrations completely masking the mu-calpain activity eluting off these columns and even partly overlapping m-calpain elution. Placenta mu-calpain requires 50-70 microM Ca2+ and placenta m-calpain requires 450-460 microM Ca2+ for half-maximal proteolytic activity. Western analysis of washed placenta tissue shows that placenta contains both mu- and m-calpain, although some of the mu-calpain in whole placenta extracts likely originates from the erythrocytes that are abundant in the highly vascularized placenta. Placenta calpastatin could not be purified with conventional methods. The most prominent form of calpastatin in Western analyses of placenta obtained as soon as possible after birth was approximately 48-51 kDa; partly purified preparations of placenta calpastatin also contained 48-51 and 70 kDa polypeptides. Human placenta extracts likely contain two different calpastatin isoforms, a 48-51 kDa "placenta calpastatin" and a 70 kDa erythrocyte calpastatin.
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39
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Stockholm D, Herasse M, Marchand S, Praud C, Roudaut C, Richard I, Sebille A, Beckmann JS. Calpain 3 mRNA expression in mice after denervation and during muscle regeneration. Am J Physiol Cell Physiol 2001; 280:C1561-9. [PMID: 11350751 DOI: 10.1152/ajpcell.2001.280.6.c1561] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Lack of functional calpain 3 in humans is a cause of limb girdle muscular dystrophy, but the function(s) of calpain 3 remain(s) unknown. Special muscle conditions in which calpain 3 is downregulated could yield valuable clues to the understanding of its function(s). We monitored calpain 3 mRNA amounts by quantitative RT-PCR and compared them with those of α-skeletal actin mRNA in mouse leg muscles for different types of denervation and muscle injury. Intact muscle denervation reduced calpain 3 mRNA expression by a factor of 5 to 10, while α-skeletal actin mRNA was reduced in a slower and less extensive manner. Muscle injury (denervation-devascularization), which leads to muscle degeneration and regeneration, induced a 20-fold decrease in the mRNA level of both calpain 3 and α-skeletal actin. Furthermore, whereas in normal muscle and intact denervated muscle, the full-length transcript is the major calpain 3 mRNA, in injured muscle, isoforms lacking exon 6 are predominant during the early regeneration process. These data suggest that muscle condition determines the specific calpain 3 isoform pattern of expression and that calpain 3 expression is downregulated by denervation.
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Affiliation(s)
- D Stockholm
- Généthon, CNRS URA 1922-1923, 1 bis rue de l'Internationale, BP 60, 91002 Evry, France
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40
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Scott JC, McManus DP. Characterisation and expression of a cDNA encoding the 80-kDa large subunit of Schistosoma japonicum calpain. Parasitol Int 2000; 48:205-14. [PMID: 11227760 DOI: 10.1016/s1383-5769(99)00021-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We describe the cloning of a full length calpain-encoding cDNA constructed from two truncated cDNAs isolated from a cDNA library prepared with mRNA isolated from adult worms of the Philippine strain of Schistosoma japonicum. The cDNA sequence is 2.456 kb in length and predicts a protein of 758 residues with a molecular mass of 86.61 kDa and an isoelectric point of 5.34. Probes spanning the entire calpain cDNA hybridised to multiple bands in genomic DNAs of Philippine (SjP) and Chinese (SjC) S. japonicum, with some restriction fragment length polymorphisms evident between the two strains. Northern hybridisation analysis indicated that the cDNA codes for a single RNA transcript between 2.6 and 3.6 kb in size in the SjP and SjC genomes. After subcloning in the QIA express vectors pQE-31 and pQE-40 and subsequent expression, the recombinant protein was purified and shown to bind calcium. The availability of recombinant S. japonicum calpain will allow its future evaluation as a vaccine candidate, especially in light of recent work with the S. mansoni homologue which has provided evidence that this protein may be a target of protective immunity.
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Affiliation(s)
- J C Scott
- Molecular Parasitology Unit, Australian Centre for International and Tropical Health and Nutrition, Cooperative Research Centre for Vaccine Technology, University of Queensland, Australia
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41
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Dear TN, Möller A, Boehm T. CAPN11: A calpain with high mRNA levels in testis and located on chromosome 6. Genomics 1999; 59:243-7. [PMID: 10409436 DOI: 10.1006/geno.1999.5859] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Calpains are a superfamily of related proteins, some of which have been shown to function as calcium-dependent cysteine proteases. In mammals, eight different calpains have been identified. We report the identification of a new mammalian calpain gene, CAPN11. The predicted protein possesses the features typical of calpains including potential protease and calcium-binding domains. The CAPN11 mRNA exhibits a highly restricted tissue distribution with highest levels present in testis. Radiation hybrid mapping localized the gene to human chromosome 6, within a region mapped to p12. Phylogenetic analysis suggests that, in mammals, the predicted CAPN11 protein is most closely related to CAPN1 and CAPN2. However, of the calpain sequences available, the predicted CAPN11 sequence exhibits greatest homology to the chicken micro/m calpain. Thus CAPN11 may be the human orthologue of micro/m calpain. The discovery of this new calpain emphasizes the complexity of the calpain family, with members being distinguished on the basis of protease activity, calcium dependence, and tissue expression.
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Affiliation(s)
- T N Dear
- Max-Planck Institute for Immunobiology, Stuebeweg 51, Freiburg, D-79108, Germany.
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42
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Tort J, Brindley PJ, Knox D, Wolfe KH, Dalton JP. Proteinases and associated genes of parasitic helminths. ADVANCES IN PARASITOLOGY 1999; 43:161-266. [PMID: 10214692 DOI: 10.1016/s0065-308x(08)60243-2] [Citation(s) in RCA: 217] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Many parasites have deployed proteinases to accomplish some of the tasks imposed by a parasitic life style, including tissue penetration, digestion of host tissue for nutrition and evasion of host immune responses. Information on proteinases from trematodes, cestodes and nematode parasites is reviewed, concentrating on those worms of major medical and economical importance. Their biochemical characterization is discussed, along with their putative biological roles and, where available, their associated genes. For example, proteinases expressed by the various stages of the schistosome life-cycle, in particular the well-characterized cercarial elastase which is involved in the penetration of the host skin and the variety of proteinases, such as cathepsin B (Sm31), cathepsin L1, cathepsin L2, cathepsin D, cathepsin C and legumain (Sm32), which are believed to be involved in the catabolism of host haemoglobin. The various endo- and exoproteinases of Fasciola hepatica, the causative agent of liver fluke disease, are reviewed, and recent reports of how these enzymes have been successfully employed in cocktail vaccines are discussed. The various proteinases of cestodes and of the diverse superfamilies of parasitic nematodes are detailed, with special attention being given to those parasites for which most is known, including species of Taenia, Echinococcus, Spirometra, Necator, Acylostoma and Haemonchus. By far the largest number of papers in the literature and entries to the sequence data bases dealing with proteinases of parasitic helminths report on enzymes belonging to the papain superfamily of cysteine proteinases. Accordingly, the final section of the review is devoted to a phylogenetic analysis of this superfamily using over 150 published sequences. This analysis shows that the papain superfamily can be divided into two major branches. Branch A contains the cathepin Bs, the cathepsin Cs and a novel family termed cathepsin Xs, while Branch B contains the cruzipains, cathepsin Ls, papain-like and aleurain/cathepsin H-like proteinases. The relationships of the helminth proteinases, and similar proteinases from protozoan parasites and other organisms, within these groups are discussed.
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Affiliation(s)
- J Tort
- School of Biological Sciences, Dublin City University, Republic of Ireland
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43
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Federici C, Eshdat Y, Richard I, Bertin B, Guillaume JL, Hattab M, Beckmann JS, Strosberg AD, Camoin L. Purification and identification of two putative autolytic sites in human calpain 3 (p94) expressed in heterologous systems. Arch Biochem Biophys 1999; 363:237-45. [PMID: 10068445 DOI: 10.1006/abbi.1998.1091] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Human muscle-specific calpain (CAPN3) was expressed in two heterologous systems: Sf9 insect cells and Escherichia coli cells. Polyclonal antibodies were prepared against peptides whose sequences were taken from the three unique regions of human CAPN3, namely NS, IS1, and IS2, which are not found in other members of the calpain family. Western blot analysis using these antibodies revealed that CAPN3 was well expressed in both systems. However, considerable rapid degradation of the expressed CAPN3 was observed in both Sf9 and E. coli cells. These antibodies were therefore also used to detect CAPN3 and its degradation products in human and rat muscles, as well as to detect the protein throughout the purification of the recombinant His-tagged human CAPN3 by Ni2+ affinity chromatography and by immunopurification over immobilized antibody. An alternative purification procedure was used for purification of all putative CAPN3 immunoreactive fragments by combining SDS-PAGE and hydroxyapatite chromatography. Two fragments of CAPN3 of approximately 55 kDa were purified, and their N-terminal amino acid sequencing demonstrated that cleavage of CANP3 occurred between residues 30-31 and 412-413, thus providing the first evidence for the localization of putative autolytic sites in this enzyme.
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Affiliation(s)
- C Federici
- Laboratoire d'Immunopharmacologie Moléculaire, CNRS UPR 415, 22 rue Méchain, Paris, 75014, France
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44
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Ma H, Shih M, Hata I, Fukiage C, Azuma M, Shearer TR. Protein for Lp82 calpain is expressed and enzymatically active in young rat lens. Exp Eye Res 1998; 67:221-9. [PMID: 9733588 DOI: 10.1006/exer.1998.0515] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
mRNA for a newly discovered isoform of calpain, termed Lp82, was recently discovered in young rat lens. The purpose of the present experiments was to test for expression of Lp82 protein. Casein zymography after incubation with calcium was used to detect Lp82 proteolytic activity in regions of lenses from young rats. Lp82 protein was detected by immunoblotting or by ELISA after DEAE-5PW chromatography using a polyclonal antibody generated to a peptide sequence in Lp82. Northern blot analysis assessed expression of Lp82 mRNA. Four results demonstrated expression of Lp82 protein; (1) immunoblot reactivity at the predicted molecular mass of 82 kDa, (2) a unique band of calcium-activated lysis in casein zymograms, (3) partial purification and retention of activity from a single Lp82 peak on DEAE-5PW chromatography, and (4) positive immunoblotting and Northern blot analysis only in lens and not in other rat tissues. These results showed that Lp82 protein is lens-preferred, relatively abundant in young rats (especially nucleus), and enzymatically active. Proteolysis of crystallins in the nucleus of young rat lens during normal maturation and cataract formation, formerly attributed solely to m-calpain, may in fact be due to concerted action of both lens Lp82 and ubiquitous m-calpain.
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Affiliation(s)
- H Ma
- Department of Oral Molecular Biology, Oregon Health Sciences University, Portland, Oregon 97201, USA
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45
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Ono Y, Sorimachi H, Suzuki K. Structure and physiology of calpain, an enigmatic protease. Biochem Biophys Res Commun 1998; 245:289-94. [PMID: 9571143 DOI: 10.1006/bbrc.1998.8085] [Citation(s) in RCA: 90] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Calpain is one of the most extensively studied proteinases (1). Although its enzymatic and structural properties have been well characterized, neither the structure-function relationship nor physiological functions are completely understood. In recent years, increasing numbers of molecules showing sequence similarity to calpain have been identified and the concept of a "calpain super family" has become general (2, 3). The term "calpain" originally meant a Ca(2+)-activated, neutral, and intracellular cysteine proteinase, although a proteinase domain similar to that of calpain is a prerequisite for a member of the "calpain super family" (4, 5). The molecular diversity of calpain has attracted interest to its structural and functional transition during evolution. Here we describe the state of current knowledge, progress, and clues to the next phase of calpain research.
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Affiliation(s)
- Y Ono
- Institute of Molecular and Cellular Biosciences, University of Tokyo, Japan
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46
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Häffner K, Speer A, Hübner C, Voit T, Oexle K. A small in-frame deletion within the protease domain of muscle-specific calpain, p94 causes early-onset limb-girdle muscular dystrophy 2A. Hum Mutat 1998; Suppl 1:S298-300. [PMID: 9452114 DOI: 10.1002/humu.1380110193] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- K Häffner
- Abteilung Neuropädiatrie, Rudolf Virchow Klinikum, Humboldt-Universität, Berlin, Germany
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47
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Abstract
For a long time now, two ubiquitously expressed mammalian calpain isoenzymes have been used to explore the structure and function of calpain. Although these two calpains, mu- and m-calpains, still attract intensive interest because of their unique characteristics, various distinct homologues to the protease domain of mu- and m-calpains have been identified in a variety of organisms. Some of these 'novel' calpain homologues are involved in important biological functions. For example, p94 (also called calpain 3), a mammalian calpain homologue predominantly expressed in skeletal muscle, is genetically proved to be responsible for limb-girdle muscular dystrophy type 2A. Tra-3, a calpain homologue in nematodes, is involved in the sex determination cascade during early development. PalB, a key gene product involved in the alkaline adaptation of Aspergillus nidulans, is the first example of a calpain homologue present in fungi. These findings indicate various important functional roles for intracellular proteases belonging to the calpain superfamily.
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Affiliation(s)
- H Sorimachi
- Laboratory of Molecular Structure and Function, Institute of Molecular and Cellular Biosciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113, Japan
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48
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Safadi F, Mykles DL, Reddy AS. Partial purification and characterization of a Ca(2+)-dependent proteinase from Arabidopsis roots. Arch Biochem Biophys 1997; 348:143-51. [PMID: 9390184 DOI: 10.1006/abbi.1997.0361] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Ca2+, an important intracellular messenger in plants, is implicated in controlling diverse cellular functions by regulating the activity of several enzymes. Here we report the presence of a Ca(2+)-dependent proteinase (CDP) activity in roots of Arabidopsis using in-gel assays (zymograms). The CDP activity showed absolute Ca2+ requirement for its activation; other divalent ions such as Mg2+, Sr2+, and Zn2+ did not substitute for Ca2+ in stimulating protease activity. The CDP activity was inhibited by the proteinase inhibitors leupeptin, E-64, and N-ethylmaleimide, whereas pepstatin A and phenylmethylsulfonyl fluoride were without effect. These data indicate that the enzyme is likely to be a cysteine proteinase. The CDP activity was partially purified from root cultures using ammonium sulfate precipitation, DE-52, Mono-Q, and Superdex 200 column chromatography. This purification scheme resulted in about 40-fold purification of the CDP activity. Based on the elution of Arabidopsis CDP (ACDP) activity on gel filtration column the molecular mass of CDP was estimated to be about 75 kDa. Isoelectric focusing showed that the enzyme had a pI between 5.2 and 5.4. SDS-polyacrylamide gel analysis showed that activity was associated with a 45-kDa polypeptide, suggesting that the native ACDP is a homodimer. Five different antibodies raised to animal CDPs did not cross-react with the partially purified protein. These data suggest that the plant CDP differs from the known CDPs characterized from animals and is likely to be a new CDP that is unique to plants.
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Affiliation(s)
- F Safadi
- Department of Biology, Colorado State University, Fort Collins 80523, USA
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49
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Jeong SY, Sorimachi H, Lee HJ, Ishiura S, Suzuki K. Molecular cloning and characterization of cDNAs for the mu-type large subunit and the small subunit of chicken calpain. Comp Biochem Physiol B Biochem Mol Biol 1997; 118:539-47. [PMID: 9467868 DOI: 10.1016/s0305-0491(97)00177-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In chicken, three calpain isozymes expressed ubiquitously, mu-, mu/m- and m-types, have been identified at the cDNA and/or protein level, but the complete sequence of the mu-calpain large subunit (microCL) and its small subunit (30K) remain to be determined. In this report, we isolated and identified cDNA clones for chicken microCL and 30K, uncovering all molecules of the chicken ubiquitous calpain system. The longest open reading frame of microCL encodes 715 amino acid residues (M(r) = 81,410). The deduced amino acid sequence is more similar to that of human microCL (82%) than that of chicken mCL (61.6%) and mu/mCL (70.6%). As for 30K, several cDNA clones were isolated, but a full length cDNA are not isolated, presumably because of a GC-rich sequence of the 5'-terminus. The longest open reading frame encodes 214 amino acid residues, showing significant similarity to mammalian 30Ks. Northern blot analysis of microCL and 30K mRNA shows ubiquitous expression in all chicken tissues examined. The results indicate that microCL and 30K are well conserved in both chicken and mammal, confirming that at least three independent ubiquitous calpain species exist in chicken.
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Affiliation(s)
- S Y Jeong
- Department of Molecular Biology, University of Tokyo, Japan
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50
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Dear N, Matena K, Vingron M, Boehm T. A new subfamily of vertebrate calpains lacking a calmodulin-like domain: implications for calpain regulation and evolution. Genomics 1997; 45:175-84. [PMID: 9339374 DOI: 10.1006/geno.1997.4870] [Citation(s) in RCA: 96] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Calpains are calcium-dependent intracellular nonlysosomal proteases that are believed to participate in signal transduction. In vertebrates, five different calpains have so far been identified, of which three, mu-, m-, and mu/m-calpain, are ubiquitously expressed while the other two, nCL-1 (p94) and nCL-2, exhibit a restricted tissue distribution. We have identified two new vertebrate calpain genes, Capn5 and Capn6. The human and mouse amino acid sequences of these new calpains are the most divergent of the vertebrate calpains identified. They possess most of the residues conserved in calpain family members but the C-terminal region lacks any homology to the calmodulin-like domain of other vertebrate calpains. They both exhibit significant homology over the entire coding region to the protein encoded by the gene tra-3, involved in nematode sex determination, and Capn5 may represent its vertebrate orthologue. The predicted Capn6 protein lacks critical active site residues and may not be proteolytically active. Both genes are differentially expressed in human tissues with highest RNA levels for Capn5 occurring in the testis, liver, trachea, colon, and kidney, while Capn6 is highly expressed only in the placenta sample of the 50 tissues examined. Phylogenetic analysis suggests that the vertebrate calpains arose through a series of gene duplication events that began before the initial divergence of the vertebrate and invertebrate lineages. The discovery of these two new calpains highlights a hitherto unknown complexity of the calpain family with subclasses perhaps possessing different modes of regulation.
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Affiliation(s)
- N Dear
- German Cancer Research Center, Heidelberg, Germany
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